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Deleting all files from a folder using PHP?

For example I had a folder called `Temp' and I wanted to delete or flush all files from this folder using PHP. Could I do this? ...
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HTTPS connections over proxy servers

...SL (The S in HTTPS) guarantees that there are no eavesdroppers between you and the server you are contacting, i.e. no proxies. Normally, you use CONNECT to open up a TCP connection through the proxy. In this case, the proxy will not be able to cache, read, or modify any requests/responses, and there...
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Clicking the back button twice to exit an activity

I've noticed this pattern in a lot of Android apps and games recently: when clicking the back button to "exit" the application, a Toast comes up with a message similar to "Please click BACK again to exit". ...
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How do you do block comments in YAML?

... Comments begin with the number sign ( # ), can start anywhere on a line, and continue until the end of the line A comparison with JSON, also from Wikipedia: The syntax differences are subtle and seldom arise in practice: JSON allows extended charactersets like UTF-32, YAML requires a space a...
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No appenders could be found for logger(log4j)?

...valid. That guide will give you some information about how to use loggers and appenders. Just to get you going you have two simple approaches you can take. First one is to just add this line to your main method: BasicConfigurator.configure(); Second approach is to add this standard log4j.pro...
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What are the uses of “using” in C#?

... is to ensure that the object is disposed as soon as it goes out of scope, and it doesn't require explicit code to ensure that this happens. As in Understanding the 'using' statement in C# (codeproject) and Using objects that implement IDisposable (microsoft), the C# compiler converts using (MyRes...
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javascript toISOString() ignores timezone offset [duplicate]

...The slice(0, -1) gets rid of the trailing Z which represents Zulu timezone and can be replaced by your own. share | improve this answer | follow | ...
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You have already activated rake 0.9.0, but your Gemfile requires rake 0.8.7

... to make sure that rake is mentioned in your Gemfile. If it's not, add it, and specify the version "you already activated". Then, you'll need to tell bundle to update the rake version it's using for your app: bundle update rake It'll update your Gemfile.lock for you. ...
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Color Tint UIButton Image

...o match the tint of the segmented control. I thought this was really cool, and was wondering if I could do this elsewhere as well. For example, I have a bunch of buttons that have a uniform shape but varied colors. Instead of making a PNG for each button, could I somehow use this color masking to us...
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Unlimited Bash History [closed]

...want my .bash_history file to be unlimited. e.g. So I can always go back and see how I built/configured something, or what that nifty command was, or how some command broke something weeks ago. How do I change this setting? ...